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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: MP2=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2=FULL/3-21G
 hartrees
Energy at 0K-1699.138520
Energy at 298.15K-1699.141558
HF Energy-1698.837317
Nuclear repulsion energy416.289322
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2=FULL/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3088 2949 1.34      
2 A1 1419 1355 18.52      
3 A1 767 732 64.25      
4 A1 383 366 22.86      
5 A1 203 194 24.30      
6 A2 174 166 0.00      
7 E 3181 3037 0.14      
7 E 3181 3037 0.14      
8 E 1540 1470 7.21      
8 E 1540 1470 7.21      
9 E 933 891 84.65      
9 E 933 891 84.65      
10 E 514 491 128.09      
10 E 514 491 128.09      
11 E 200 191 8.03      
11 E 200 191 8.03      
12 E 145 138 1.34      
12 E 145 138 1.34      

Unscaled Zero Point Vibrational Energy (zpe) 9529.5 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 9098.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/3-21G
ABC
0.05258 0.05258 0.03846

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.279
C2 0.000 0.000 2.165
Cl3 0.000 2.036 -0.480
Cl4 1.764 -1.018 -0.480
Cl5 -1.764 -1.018 -0.480
H6 0.000 -1.031 2.534
H7 0.893 0.515 2.534
H8 -0.893 0.515 2.534

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.88602.17332.17332.17332.47982.47982.4798
C21.88603.33813.33813.33811.09491.09491.0949
Cl32.17333.33813.52723.52724.30053.49253.4925
Cl42.17333.33813.52723.52723.49253.49254.3005
Cl52.17333.33813.52723.52723.49254.30053.4925
H62.47981.09494.30053.49253.49251.78521.7852
H72.47981.09493.49253.49254.30051.78521.7852
H82.47981.09493.49254.30053.49251.78521.7852

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.722 Si1 C2 H7 109.722
Si1 C2 H8 109.722 C2 Si1 Cl3 110.439
C2 Si1 Cl4 110.439 C2 Si1 Cl5 110.439
Cl3 Si1 Cl4 108.486 Cl3 Si1 Cl5 108.486
Cl4 Si1 Cl5 108.486 H6 C2 H7 109.219
H6 C2 H8 109.219 H7 C2 H8 109.219
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability